package com.example.apache_shiro.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {
    //ShiroFilterFactoryBean
    @Bean(name="shiroFilterFactoryBean")
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("SecurityManager") DefaultWebSecurityManager defaultWebSecurityManager) {
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
        //设置安全管理器
        bean.setSecurityManager(defaultWebSecurityManager);

        //提娜佳shiro的内置过滤器
        /*
        anon:无需认证就可以访问
        authc:必须认证才能访问
        user:必须拥有 记住我  功能才能用
        perms:拥有对某个资源的权限才能访问
        role:拥有某个角色权限才能访问
         */


        /*        filterMap.put("/user/add","authc");
        filterMap.put("/user/update","authc");*/

        Map<String,String> filterMap=new LinkedHashMap<>();

        //授权 正常情况下，没有授权会跳转到未授权页面
        filterMap.put("/user/add","perms[1]");
        filterMap.put("/user/update","perms[user:update]");


        //拦截
        filterMap.put("/user/*","authc");
        bean.setFilterChainDefinitionMap(filterMap);

        //设置登录的请求
        bean.setLoginUrl("/toLogin");

        //未经授权页面
        bean.setUnauthorizedUrl("/noauth");
        return bean;
    }

    //DefaultWebSecurityManager  2
    @Bean(name="SecurityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm) {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        securityManager.setRealm(userRealm);
        return securityManager;
    }

    //创建realm对象，需要自定义类  1
    @Bean
    public UserRealm userRealm() {
        return new UserRealm();
    }

    //整合ShiroDialect，用来整合shiro thymeleaf
    @Bean
    public ShiroDialect getShiroDialect(){
        return new ShiroDialect();
    }


}
